psf-evolution.mp4 (7.13 MB)
psf-evolution.mp4
media
posted on 2018-03-05, 21:05 authored by Christoph Braig, Ivo ZizakThe video shows the simulated point spread function (PSF) of a stepped achromatic X-ray lens, as it varies with the photon energy within one period of the spectral comb structure. The effect of focusing and defocusing, depending on the energy, is demonstrated. The parameters are chosen according to a typical design of these lenses and documented in the video.